*{
    box-sizing: border-box;
}
:root{
    --main-color:#ff6c33;
}
html{
    font-size: 62.5%;
}

h1{
    display: none;
}

#alert_user{
    display: none;
    text-align: center;
    font-size: 5rem;
}
@media screen and (min-width:968px){
    /* pc端口 */
    #alert_user{
        display: block;
    }
    .container{
        display: none;
    }
}

.container .up{
    position:fixed;
    top:0;
    width: 100%;
    height: 44px;
    background-color: #fff;
    border-bottom: 1px solid #eee;
    display: flex;
}
.container .up p{
    width: 100%;
    overflow: hidden;
}
.container .up p span{
    display: block;
    width: 100%;
    height: 44px;
    line-height: 44px;
}

@font-face {
    font-family: "myapp";
    src: url(../font/iconfont.ttf);
}
.container .down{
    position: fixed;
    bottom: 0;
    width: 100%;
    height: 5rem;
    background-color: #fff;
    display: flex;
    justify-content: space-around;
    align-items: center;
    border-top: 1px solid #eee;
    font-family: "myapp";
}
.container .down a{
    width: 20%;
}
.container .down a span{
    display: block;
    width: 100%;
    margin: .5rem;
    font-size: 1.2rem;
    text-align: center;
}
.container .down a.checked{
    color: var(--main-color);
}

@keyframes roll{
    from{transform: rotate(0);}
    to{transform: rotate(360deg);}
}

#loading{
    position: fixed;
    z-index: 1000;
    width: 100px;
    height: 120px;
    left: 50%;
    top:50%;
    margin-left: -50px;
    margin-top: -60px;
    border-radius: 4px;
    background-color: rgba(0, 0, 0,.75);
    display: none;
}
#loading .circle{
    width: 50px;
    height: 50px;
    border:5px solid #fff;
    border-radius: 50%;
    border-right-color: transparent;
    margin: 2rem auto;
    animation: roll 1s linear infinite;
}
#loading p{
    text-align: center;
    line-height:2rem ;
    font-size: 1.2rem;
    color: #fff;
}




